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Posttraumatic Stress Disorder Symptom Trajectories in ICU Family Caregivers

To use latent class growth analysis to identify posttraumatic stress disorder symptom trajectories in ICU family caregivers. Prospective cohort study. The medical ICU at a tertiary-care center in the United States. Adult patients experiencing acute cardiorespiratory failure (defined as requiring at...

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Bibliographic Details
Published in:Critical care explorations 2021-04, Vol.3 (4), p.e0409-e0409
Main Authors: Wendlandt, Blair, Chen, Yi Tang, Lin, Feng-Chang, Toles, Mark, Gaynes, Bradley, Hanson, Laura, Carson, Shannon
Format: Article
Language:English
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Summary:To use latent class growth analysis to identify posttraumatic stress disorder symptom trajectories in ICU family caregivers. Prospective cohort study. The medical ICU at a tertiary-care center in the United States. Adult patients experiencing acute cardiorespiratory failure (defined as requiring at least one of the following: 1) vasopressors, 2) noninvasive positive pressure ventilation, 3) high-flow nasal cannula, or 4) mechanical ventilation) were enrolled in a pair with their primary family caregivers. Participants were enrolled within the first 48 hours of ICU admission. Family caregiver posttraumatic stress disorder symptoms were measured using the Impact of Events Scale-Revised at four time points: at enrollment, shortly after ICU discharge, and at 3 and 6 months after ICU discharge. The data were examined using latent class growth analysis to identify posttraumatic stress disorder symptom trajectories. Two distinct symptom trajectories were identified: a persistently high trajectory, characterized by high posttraumatic stress disorder symptoms at initial assessment, which remained elevated over time, and a persistently low trajectory, characterized by low posttraumatic stress disorder symptoms at initial assessment, which remained low over time. Approximately two-thirds of caregivers belonged to the persistently high trajectory, and one-third of caregivers belonged to the persistently low trajectory. Using latent class growth analysis to measure 6-month ICU family caregiver posttraumatic stress disorder symptom trajectories, we identified two distinct trajectories (persistently low and persistently high). A larger cohort study is warranted to further delineate posttraumatic stress disorder trajectories in this population, with the ultimate goal of targeting high-risk caregivers for interventions to reduce psychologic distress and improve long-term caregiver outcomes.
ISSN:2639-8028
2639-8028
DOI:10.1097/CCE.0000000000000409